220201101222210 has 96 divisors (see below), whose sum is σ = 577940133056832. Its totient is φ = 58164802715520.

The previous prime is 220201101222209. The next prime is 220201101222229. The reversal of 220201101222210 is 12222101102022.

It is a happy number.

220201101222210 is a `hidden beast` number, since 2 + 20 + 201 + 10 + 1 + 222 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82535320 + ... + 85161500.

It is an arithmetic number, because the mean of its divisors is an integer number (6020209719342).

Almost surely, 2^{220201101222210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220201101222210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288970066528416).

220201101222210 is an abundant number, since it is smaller than the sum of its proper divisors (357739031834622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220201101222210 is a wasteful number, since it uses less digits than its factorization.

220201101222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635008 (or 2635005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220201101222210 its reverse (12222101102022), we get a palindrome (232423202324232).

The spelling of 220201101222210 in words is "two hundred twenty trillion, two hundred one billion, one hundred one million, two hundred twenty-two thousand, two hundred ten".